Remove the cmd_ prefix from command files

Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>

cmd/strings.c

@@ -0,0 +1,46 @@
+/*
+ * cmd_strings.c - just like `strings` command
+ *
+ * Copyright (c) 2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+
+static char *start_addr, *last_addr;
+
+int do_strings(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc == 1)
+		return CMD_RET_USAGE;
+
+	if ((flag & CMD_FLAG_REPEAT) == 0) {
+		start_addr = (char *)simple_strtoul(argv[1], NULL, 16);
+		if (argc > 2)
+			last_addr = (char *)simple_strtoul(argv[2], NULL, 16);
+		else
+			last_addr = (char *)-1;
+	}
+
+	char *addr = start_addr;
+	do {
+		puts(addr);
+		puts("\n");
+		addr += strlen(addr) + 1;
+	} while (addr[0] && addr < last_addr);
+
+	last_addr = addr + (last_addr - start_addr);
+	start_addr = addr;
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	strings, 3, 1, do_strings,
+	"display strings",
+	"<addr> [byte count]\n"
+	"    - display strings at <addr> for at least [byte count] or first double NUL"
+);